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Murray Score for Acute Lung Injury

Consolidation on chest X ray
None 0
1 quadrant 0.25
2 quadrants 0.5
3 quadrants 0.75
4 quadrants 1
PaO₂/FiO₂ ratio
>=300 0
225-299 0.25
175-224 0.5
100-174 0.75
<100 1
Positive end expiratory pressure, cm H₂O
<=5 0
6–8 0.25
9–11 0.5
12–14 0.75
>=15 1
Compliance, ml/cm H₂O
VT / ( PIP – PEEP )
>=80 0
60–79 0.25
40–59 0.5
20–39 0.75
<=19 1
Result:

Background

Result Interpretation

Ranges Ranges